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authorIlia Mirkin <[email protected]>2015-11-05 23:12:52 -0500
committerIlia Mirkin <[email protected]>2015-11-06 00:47:44 -0500
commitd68226087cf5f2f686d6c8f3377c5a1dec3d8bc4 (patch)
tree21a5de3bb523e72ae45fe40cb4d02e1f396674eb /src/glsl
parent581111c4d67c65305dcae83789ac504deeec9da2 (diff)
nvc0: reintroduce BGRA4 format support
Commit 342e68dc60 (nvc0: remove BGRA4 format support) removed the support to fix a WoW trace. However after further experimentation, I was able to get the blit to work by using a different "fake" format in the 2d engine. The reason why this worked on nv50 is that nv50 falls back to the 3d blit path in case either the src or the dst aren't "faithfully" supported, while nvc0 only does it for the dst format. RG8 is better supported by the nvc0 2d engine than R16. Signed-off-by: Ilia Mirkin <[email protected]>
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